13430232031 has 4 divisors (see below), whose sum is σ = 13431128464. Its totient is φ = 13429335600.

The previous prime is 13430232001. The next prime is 13430232071. The reversal of 13430232031 is 13023203431.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13430232031 - 2²⁵ = 13396677599 is a prime.

It is a super-2 number, since 2×13430232031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13430231993 and 13430232011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13430232001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 425355 + ... + 455836.

It is an arithmetic number, because the mean of its divisors is an integer number (3357782116).

Almost surely, 2^13430232031 is an apocalyptic number.

13430232031 is a deficient number, since it is larger than the sum of its proper divisors (896433).

13430232031 is an equidigital number, since it uses as much as digits as its factorization.

13430232031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 896432.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 13430232031 its reverse (13023203431), we get a palindrome (26453435462).

The spelling of 13430232031 in words is "thirteen billion, four hundred thirty million, two hundred thirty-two thousand, thirty-one".